"From the Pulitzer Prize-winning author of Black Flags, the harrowing story of America's mission in Syria: to find and destroy Syria's chemical weapons and defeat ISIS--only to lose control of both In August 2012, Syrian president Bashar al-Assad was clinging to power in a vicious civil war. Concerned that Assad might resort to chemical weapons, President Obama warned that any such use would cross "a red line," warranting an American military response....